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http://dx.doi.org/10.1136/hrt.35.4.443DOI Listing

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CIROZ is dispensable in ancestral vertebrates but essential for left-right patterning in humans.

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Four genes-DAND5, PKD1L1, MMP21, and CIROP-form a genetic module that has specifically evolved in vertebrate species that harbor motile cilia in their left-right organizer (LRO). We find here that CIROZ (previously known as C1orf127) is also specifically expressed in the LRO of mice, frogs, and fish, where it encodes a protein with a signal peptide followed by 3 zona pellucida N domains, consistent with extracellular localization. We report 16 individuals from 10 families with bi-allelic CIROZ inactivation variants, which cause heterotaxy with congenital heart defects.

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Phenotypic clustering of repaired Tetralogy of Fallot using unsupervised machine learning.

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